36915089689 has 3 divisors (see below), whose sum is σ = 36915281823. Its totient is φ = 36914897556.

The previous prime is 36915089669. The next prime is 36915089693. The reversal of 36915089689 is 98698051963.

It is a happy number.

The square root of 36915089689 is 192133.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98698051963 = 7 ⋅14099721709.

It can be written as a sum of positive squares in only one way, i.e., 36693318025 + 221771664 = 191555^2 + 14892^2 .

It is not a de Polignac number, because 36915089689 - 2⁹ = 36915089177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36915089689.

It is not an unprimeable number, because it can be changed into a prime (36915089669) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96067 + ... + 288199.

It is an arithmetic number, because the mean of its divisors is an integer number (12305093941).

Almost surely, 2^36915089689 is an apocalyptic number.

36915089689 is the 192133-rd square number.

36915089689 is the 96067-th centered octagonal number.

It is an amenable number.

36915089689 is a deficient number, since it is larger than the sum of its proper divisors (192134).

36915089689 is an frugal number, since it uses more digits than its factorization.

36915089689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384266 (or 192133 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

Multiplying 36915089689 by its sum of digits (64), we get a square (2362565740096 = 1537064²).

The spelling of 36915089689 in words is "thirty-six billion, nine hundred fifteen million, eighty-nine thousand, six hundred eighty-nine".